Palram SUNTO - Manual (Page 2)

SUNTOP ® 107 / 27 (American 4.2)
Installation Guide
13.02.2006 2
Curved Roof Fastening
Minimum curving radius along the corrugations - 6.0 m.
Roof and Wall Positioning and Fastening
Start fastening the screws on the Side lap where the SUNTOP sheet
Over-lap the previously installed sheet.
Fasten the screws on the lower edge purlin, each second corrugation crest, starting at the same side.
Fasten at the internal purlins, at each third corrugation crest.
Fasten the screws at the upper edge purlin, at each second corrugation, starting at the
same side.
Fasten the stitching screws at the overlaps, starting at the same side, approximately every
300 mm.
Wall mounting (cladding) – The fasteners at the valley, except the side-lap one.
Internal Purlin Fastener location External Purlin Fastener location
Side-Lap
Use tow corrugations Side Lap where the slope smaller than 10%, long
spans and large rain loads.
Start from the side where the SUNTOP sheet over-lap on top of the other sheet.
Apply sealing tape along the crest centerline.
Use sheet to sheet (stitching) fasteners between the purlins, every 300-400 mm.
End-Lap
Maximum overhang up to 200 mm from screw centerline.
Minimum overhangs 50 mm from screw centerline.
Apply sealing tape along screws centerline.
Roof edge – not more than 200 mm
Stitching screw
Are needed for improving side lap sealing in cases of slope
smaller than 10%, long spans and large rain loads.